64697744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{130439}}^1$

素因数の和:130478

約数の個数: 20

約数和(自身を含む): 129396480

約数和(自身を除く): 64698736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 130439, 260878, 521756, 1043512, 2087024, 4043609, 8087218, 16174436, 32348872, 64697744]

約数ペア:

[(1, 64697744), (2, 32348872), (4, 16174436), (8, 8087218), (16, 4043609), (31, 2087024), (62, 1043512), (124, 521756), (248, 260878), (496, 130439)]